OpenTechnical

OT-2026-000022396

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, plant vacuum fed, manifold pressure sensor, pulsed blow-off before set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000022396) never changes.

Identity and time

Publication numberOT-2026-000022396 · never reused
Internal UUID01a0ae6f-f4fd-7723-a30b-8958ae21c9dc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:07.953226Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022396
StatusPUBLIC

Content hashes

Canonical text3e911b1702237c84401a6beb9be370ad7ae73d6d72281df915f71005c24b2bd5
Markdownad719551a2c475d0585fd38ba8d4be9c38a6589ecb18465bd7f933b953b83001
PDF
Publication page08e936c858a0495356838308e599542b9ccd9eaf21efe31dc2571084329d3ca5
Manifestb16398ee1517730b9aca01aac3fe5ad5ac7e2aabdb708bbe99e929ab2c97975b

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureBx29zvEjVnylAQ251+duw47UgQqSJHxOiHBnBc+hTXfdmUvxP1bVNsRg4A4czWCXOZ6VX94N72a0X48iaHVOBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:53:46.656368ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022396
observed 08e936c858a0495356838308e599542b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:46.637322ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022396/manifest.json
observed b16398ee1517730b9aca01aac3fe5ad5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:46.618296ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022396/publication.md
observed ad719551a2c475d0585fd38ba8d4be9c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:46.601178ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022396/publication.txt
observed 3e911b1702237c84401a6beb9be370ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.